What are some common methods for parsing and extracting specific data from a text file in PHP?

When parsing and extracting specific data from a text file in PHP, common methods include using regular expressions, string manipulation functions, or built-in PHP functions like `file_get_contents` and `explode`. Regular expressions are powerful for matching patterns in the text file, while string manipulation functions like `strpos` and `substr` can be used to extract specific data based on positions or delimiters. 

// Example of parsing and extracting specific data from a text file using regular expressions
$text = file_get_contents('data.txt');
$pattern = '/(start)(.*?)(end)/s'; // Regular expression pattern to match data between 'start' and 'end' tags
preg_match($pattern, $text, $matches);
$extractedData = $matches[2]; // Extracted data between 'start' and 'end' tags
echo $extractedData;

Keywords

file_get_contents explode preg_match fgets fopen

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